Adds process search

lib/gtop.js

@@ -87,7 +87,7 @@ function init() {
   new monitor.Mem(memLine, memDonut, swapDonut);
   new monitor.Net(netSpark);
   new monitor.Disk(diskDonut);
-  new monitor.Proc(procTable); // no Windows support
+  new monitor.Proc(procTable, screen); // no Windows support
 }
 
 process.on('uncaughtException', function(err) {

lib/monitor/proc.js

@@ -9,7 +9,11 @@ var pars = {
   m: 'mem',
 };
 
-function Proc(table) {
+const blessed = require("blessed")
+let processSearchTerm = ""
+
+function Proc(table, screen) {
+  this.screen = screen
   this.table = table;
 
   this.pSort = pars.c;
@@ -20,7 +24,18 @@ function Proc(table) {
 
   var updater = function() {
     si.processes(data => {
-      that.updateData(data);
+
+      // If processSearchTerm looks like a regular expression use that to filter
+      // the process list. Otherwise, just do a simple string match.
+      if (processSearchTerm.length > 0) {
+        if (processSearchTerm[0] === "/" && processSearchTerm[processSearchTerm.length - 1] === "/") {
+          const regex = new RegExp(processSearchTerm.slice(1, -1))
+          data.list = data.list.filter(p => regex.test(p.name.toLowerCase()) || regex.test(p.command.toLowerCase()))
+        } else {
+          data.list = data.list.filter(p => p.name.toLowerCase().includes(processSearchTerm) || p.command.toLowerCase().includes(processSearchTerm))
+        }
+      }
+      that.updateData(data)
     });
   };
   updater();
@@ -35,6 +50,23 @@ function Proc(table) {
     that.reIndex = true;
     updater();
   });
+
+  this.screen.key(['s'], (ch, key) => {
+    try {
+      const dialogMessage = 
+        `Enter Search Parameter
+         (Use regular expressions by wrapping in //)`
+      let searchPrompt = blessed.prompt({top: "top", left: "center", width: "shrink", height: "shrink", border: { type: "line" }})
+      screen.append(searchPrompt)
+      searchPrompt.readInput(dialogMessage, processSearchTerm, (err, obj) => {
+        processSearchTerm = err ? "" : obj.toString().toLowerCase()
+      })
+      updater()
+    } catch (e) {
+      console.log(e.message)
+      consol.error(e)
+    }
+  })
 }
 
 Proc.prototype.updateData = function(data) {
@@ -53,7 +85,11 @@ Proc.prototype.updateData = function(data) {
       ];
     });
 
-  var headers = ['PID', 'Command', '%CPU', '%MEM'];
+  let searchedCommand = `Command`
+  if (processSearchTerm.length > 0) {
+    searchedCommand = `Command (${processSearchTerm})`
+  }
+  var headers = ['PID', searchedCommand, '%CPU', '%MEM'];
 
   headers[
     {

package.json

@@ -13,7 +13,9 @@
     "lint-check": "prettier --check --single-quote --trailing-comma es5 'lib/**/*.js'",
     "prepublishOnly": "marked-man --version $npm_package_version --manual 'Gtop Help' --section 1 ./CLI.md > gtop.1"
   },
-  "man": ["./gtop.1"],
+  "man": [
+    "./gtop.1"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/aksakalli/gtop.git"
@@ -42,6 +44,7 @@
     "node": ">=4.0.0"
   },
   "devDependencies": {
+    "@types/blessed": "^0.1.19",
     "marked-man": "^0.7.0",
     "prettier": "1.19.1"
   }